<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>表单</title>
</head>
<body>
<h3>登录框</h3>
<form action="">
    username: <input type="text" name="username"> <br>
    password: <input type="password" name="pwd"> <br>
    <input type="submit">
</form>
<h3>单选</h3>
<form action="">
    <input type="radio" value="male">Male <br>
    <input type="radio" value="famale">Famale <br>
</form>
<h3>复选框</h3>
<form action="">
    <p>what do you want to eat, winey? <br>
        <input type="checkbox" value="apple">apple <br>
        <input type="checkbox" value="orange">orange <br>
        <input type="checkbox" value="banana">banana <br>
        <input type="checkbox" value="cherry">cherry <br>
        <input type="checkbox" value="durian">durian <br>
        <input type="checkbox" value="grapefruit">grapefruit
    </p>
    <input type="submit">
</form>
</body>
</html>